DEMO Spring: Add Some Lasers to Your Cash Register

This system uses lasers to identify loose hardware like nuts and bolts. It could make those Home Depot lines fly

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DEMO Spring: Add Some Lasers to Your Cash Register

Is this really as cool as it seemed? Or was I just tired of all the online applications I'd been subjected to? Maybe I was easily impressed by something that dealt with nuts and bolts. Real nuts and bolts.

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